NPPES file of Aug 9, 2026

Lionel Znaty

Child & Adolescent Psychiatry Physician · Ridgefield, CT

Lionel Znaty is a child & adolescent psychiatry physician with a practice address in Ridgefield, Connecticut, and NPI 1205375722, issued on Feb 16, 2017. Check the license (Connecticut 72594, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205375722
Name
Lionel Znaty
Primary taxonomy
Child & Adolescent Psychiatry Physician 2084P0804X
License numbers
72594 CT
312123 NY
313123 NY
Self-reported in NPPES; status is on the state search
Practice location
898 Ethan Allen Hwy Ste 2, Ridgefield, CT 06877
Phone
(203) 939-3637
Enumerated
Feb 16, 2017
Record last updated
Sep 13, 2024
Medicare enrollment
Enrolled (PECOS I20220502001773); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Lionel Znaty in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 72594
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Physician Affiliate Group OF New York PCBronx, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Lionel Znaty among 225 child & adolescent psychiatry physician records in Connecticut

Lionel Znaty is one of 225 child & adolescent psychiatry physician records with a practice address in Connecticut. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 84% of them.

  • NPI issued2017 · 84% of these records are older, 14% newer
  • In a Medicare fileYes · 55% of these records are
  • In the CMS Doctors and Clinicians fileYes · 24% of these records are
  • Graduated2014 · median 2006 among the 55 with a school on file
  • Record last updated2024 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Child & Adolescent Psychiatry Physician providers in Connecticut

There are 225 child & adolescent psychiatry physician records in Connecticut.

The 8 child & adolescent psychiatry physician records with the nearest ZIP codes

  1. Marguerite Brown, MDRidgefield, CT 068771447328133
  2. Daniel Spencer, M.D.Ridgefield, CT 068771164650321
  3. Tamela Amiri, M.D.Westport, CT 068801275780777
  4. Melissa Bonasera, MDWestport, CT 068801669657086
  5. Susan Finkelstein, M.D.Westport, CT 068801649423567
  6. Cornelia Gallo, MDWestport, CT 068801023211653
  7. Karen Hotchkiss, M.D.Westport, CT 068801851542708
  8. Ilana Karpenos, MDWestport, CT 068801578738787

Common questions

What is Lionel Znaty's NPI number?

Lionel Znaty's National Provider Identifier (NPI) is 1205375722, issued on Feb 16, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Lionel Znaty located?

The NPPES record lists a practice address at 898 Ethan Allen Hwy Ste 2, Ridgefield, CT, 06877. Phone: (203) 939-3637. Providers update this record themselves, so call before visiting.

How can I verify Lionel Znaty's license?

NPPES lists Connecticut license number 72594, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.